diff options
| -rw-r--r-- | src/portable/renesas/usba/dcd_usba.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/portable/renesas/usba/dcd_usba.c b/src/portable/renesas/usba/dcd_usba.c index fa584945e..338d5b0e6 100644 --- a/src/portable/renesas/usba/dcd_usba.c +++ b/src/portable/renesas/usba/dcd_usba.c @@ -553,7 +553,6 @@ void dcd_remote_wakeup(uint8_t rhport) { (void)rhport; USB0.DVSTCTR0.BIT.WKUP = 1; - while (USB0.DVSTCTR0.BIT.WKUP) ; } void dcd_connect(uint8_t rhport) @@ -701,6 +700,11 @@ void dcd_int_handler(uint8_t rhport) } if (is0 & USB_IS0_SOFR) { if (_dcd.suspended) { + /* When USB host resumes caused by `dcd_remote_wakeup()`, + * RESM interrupt does not rise. + * Therefore we need to manually send resume event. + * Of course, when USB host resumes on its own, + * RESM interrupt rise properly, then this statements are ignored. */ dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); _dcd.suspended = 0; } |